1pt Which analogy is correct? guanine : RNA; uracil : DNA
uracil : RNA; thymine : DNA
uracil : RNA; cytosine : DNA
adenine : RNA; uracil : DNA

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.

the answer is d. none of the above

answer; coat color for blending in with dry grass;

answer axon terminal,synaptic cleft; and motor end plate;